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    Kohl Children's Museum
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    In this activity, learners investigate and compare the rate of drying in different conditions. Learners place wet dish cloths in front of a fan, on a flat surface inside the room, in a box with a...

    $1 - $5 per group Ages 6 - 11 30 to 45 minutes
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    Lawrence Hall of Science
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    In this activity, learners build a bird feeder or feeders to attract birds for observation. The main feeder to be built is made from a large milk carton, but a suggestion is also included for a...

    $1 - $5 per group Ages 6 - 14 30 to 45 minutes
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    COSI
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    In this activity, learners make a solar oven. Learners witness the awesome power of the sun to make a yummy treat--a chocolate chip cookie!

    $10 - $20 per group Ages 6 - 11 30 to 45 minutes
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    The Center for Science Education @ Space Sciences Laboratory, UC Berkeley
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    In this activity, learners investigate the concepts of relative size and distance by creating a basic model of the solar system. Learners will work at one end of a hallway, large room or outdoor...

    1 cent - $1 per group Ages 6 - 14 30 to 45 minutes
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    American Chemical Society
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    In this activity on page 13 of the PDF, use a special plastic card that has been painted with a chemical that changes color when it is in UV light. Examine how the more UV rays there are, the...

    $5 - $10 per student Ages 6 - 14 10 to 30 minutes
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    The Center for Science Education @ Space Sciences Laboratory, UC Berkeley
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    In this activity, learners use an astrolabe to measure the altitude of objects. Learners will first practice taking measurements by measuring the altitude of trees and buildings. Then, learners...

    $1 - $5 per student Ages 6 - 14 1 to 4 weeks
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    Iridescent
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    In this engineering design challenge, learners make a bird and then control its flight with attached strings. As learners work their way through the design process, they can upload descriptions and...

    $1 - $5 per group Ages 4 - 18 1 to 2 hours
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    New York Hall of Science
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    This is an activity about motion, power, air and Newton’s Third Law of Motion, which states that for every action there is an equal and opposite reaction. Learners will harness the power of thrust...

    1 cent - $1 per student Ages 4 - 11 10 to 30 minutes
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    NASA
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    In this activity, learners construct a simple air pressure launcher for paper rockets. Learners stomp or jump on an empty 2-liter bottle and force the air inside through connected plastic pipes to...

    $10 - $20 per group Ages 4 - 14 1 to 2 hours
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    New York Hall of Science
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    This is a fun activity about the power of the Sun and the importance of using sunscreen to protect your sensitive skin from its rays. Learners will hang apple rings in the Sun and monitor changes...

    $1 - $5 per student Ages 4 - 11 4 to 24 hours

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